NGK – 7421 – BMR6A Spark Plug

John Deere 23, 28, 30, 40V and 50 chainsaw

Kawasaki 2-cycle under 1.0 HP, 1.2/KT12AD/J, TD33, 1.6/TG28, 1.65/TD40, 1.8/KT18, 2.4/TE40-MX, 2.8/KT28, 2.9/TD48, 3.1/TA51MX, 14.5/FD440V, 16.0/FD501D, 18.0/FD590V, 20.0/FD620V, FD611V, 22.0/FD661D, EFI, side valve 4-cycle

Makita RBC221, 230, 251, 252, 260, 261,310, 25A, 253, 311, RBL25A, RBE250 and RST250 trimmers

Poulan 20, 20D, 25,25DA, S25, 76, 100, 245A, 252A, 306, 306A, 306SA, 361, Model XX, Micro XXV, S68, 72, 71A,S72, 76, 92, Super XXV, Micro MZ5, 25SN and PP200 chainsaw

Ryobi RD260, 330 and 420

Stihl FS36, 40, 44, 50, 51, 56, 60, 61,65 and 90 trimmers

Tanaka TBC-16, 23, 160, 200, 202, 205, 300, 4110 CHAIN SAWS — ECS-290, 300, 307, 320, 330, 350, 351, 3301, 3351, 35, 3500, 355,356, 357, 370, EHC-120, 140 and EHG-120 trimmers

Weedeater XR200